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B. Front Panel:
The keys: There are five keys on the controller.
[ F ] Function key changes the status of the machine. By pressing this key you can
toggle the machine to RUN mode or EDIT mode.
In EDIT mode parameters can be changed as required. In RUN mode, the machine
is ready for use per the pre-set parameters.
[ ] The cursor key controls the cursor movement. Pressing it will move the cursor
to the digit you want to edit.
If the key is pressed for more than 1 second, the cursor will keep moving until the
key is released.
[ ] The increment key changes the parameter values. By pressing the key once,
the digit will increase by one.
If the key is pressed for more than 1 second, the digit keeps incrementing until the
key is released.
[ ] This is the ENTER key. When you are satisfied with the value of the parameter
or ON/OFF status in the edit mode, press [ ]. This will save the settings and auto-
matically go to the next parameter.
[ ] This key turns the pump OFF (same as E-stop).
C. Display:
The display consist of a 16 x 2 character LCD module. The LCD module displays
the machine status in two lines. The upper line displays
s e t
values of the parameters.
The lower line displays the current status or
actual
value of the parameter. The
display can also indicate the calibration mode.
D. Operation:
When the machine is turned ON, the display will momentarily show the cursor
in the left hand corner and a program code in the middle.
The program last stored in the machine will then be displayed. The machine is now
in RUN mode and will operate according to the parameters set in this program.
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